OpenTechnical

OT-2026-000061550

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, two stage ejector, vented after set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000061550) never changes.

Identity and time

Publication numberOT-2026-000061550 · never reused
Internal UUID01a0ae8b-7b44-7374-bcf8-81a4b59062a6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061550
StatusPUBLIC

Content hashes

Canonical text81a7a1d363032d4083e902896368195daded6be54ea3ac7d7fcc50cf918adc4d
Markdowne63d74838ab39e0eb967cea3d12c5d30b55e058398376e50bceaaf2b0b46e90e
PDF
Publication page562a9104142731d4b56216e5a4e1ec6ab21b0a85ac21d3b5c019ae93fc8883bc
Manifestb5720cac8aa07d8ab971b741a952b3460af889e7082f3dc3e09b0732df5f47b2

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureTtvp50t3wv4AJV5oecvbAAIJEWzrv4pcJmCMXV1zUvd1msnA0ktGmJF/KlsnV6OkeYOvhz85R4AU0B8/bdgFBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T12:42:20.769346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061550
observed 562a9104142731d4b56216e5a4e1ec6a...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:42:20.640753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061550/manifest.json
observed b5720cac8aa07d8ab971b741a952b346...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:42:20.444844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061550/publication.md
observed e63d74838ab39e0eb967cea3d12c5d30...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:42:20.142406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061550/publication.txt
observed 81a7a1d363032d4083e902896368195d...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T10:41:27.686881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061550
observed 562a9104142731d4b56216e5a4e1ec6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:27.670539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061550/manifest.json
observed b5720cac8aa07d8ab971b741a952b346...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:27.651630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061550/publication.md
observed e63d74838ab39e0eb967cea3d12c5d30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:27.621435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061550/publication.txt
observed 81a7a1d363032d4083e902896368195d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.